Create graph, node, link struct and parse hcl input file
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098FB66FC0475E70
7
Makefile
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7
Makefile
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@ -0,0 +1,7 @@
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.PHONY: build
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build:
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go build -o bin/resolve cmd/resolve.go
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run:
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./bin/resolve -i graph.hcl
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0
bin/.gitkeep
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0
bin/.gitkeep
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40
cmd/resolve.go
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40
cmd/resolve.go
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package main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"antoine-roux.ml/projects/go/dijkstra/internal"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/gohcl"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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)
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func main() {
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filename := flag.String("i", "-", "Input file use to generate graph")
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flag.Parse()
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src, err := ioutil.ReadFile(*filename)
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if err != nil {
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log.Fatalln(err)
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}
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file, diags := hclsyntax.ParseConfig(src, *filename, hcl.Pos{Line: 1, Column: 1})
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if diags.HasErrors() {
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log.Fatalf("config parse: %s", fmt.Errorf("%w", diags))
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}
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graph := &internal.Graph{}
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diags = gohcl.DecodeBody(file.Body, nil, graph)
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if diags.HasErrors() {
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log.Fatalf("config parse: %s", fmt.Errorf("%w", diags))
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}
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fmt.Printf("%#v\n", *graph)
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for _, p := range graph.Nodes {
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fmt.Printf("%+v\n", p)
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}
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}
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7
go.mod
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7
go.mod
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module antoine-roux.ml/projects/go/dijkstra
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go 1.15
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require github.com/hashicorp/hcl/v2 v2.7.1 // indirect
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replace antoine-roux.ml/projects/go/dijkstra/internal => ./internal
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42
go.sum
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42
go.sum
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github.com/agext/levenshtein v1.2.1 h1:QmvMAjj2aEICytGiWzmxoE0x2KZvE0fvmqMOfy2tjT8=
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github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
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github.com/apparentlymart/go-dump v0.0.0-20180507223929-23540a00eaa3/go.mod h1:oL81AME2rN47vu18xqj1S1jPIPuN7afo62yKTNn3XMM=
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github.com/apparentlymart/go-textseg v1.0.0 h1:rRmlIsPEEhUTIKQb7T++Nz/A5Q6C9IuX2wFoYVvnCs0=
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github.com/apparentlymart/go-textseg v1.0.0/go.mod h1:z96Txxhf3xSFMPmb5X/1W05FF/Nj9VFpLOpjS5yuumk=
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github.com/apparentlymart/go-textseg/v12 v12.0.0 h1:bNEQyAGak9tojivJNkoqWErVCQbjdL7GzRt3F8NvfJ0=
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github.com/apparentlymart/go-textseg/v12 v12.0.0/go.mod h1:S/4uRK2UtaQttw1GenVJEynmyUenKwP++x/+DdGV/Ec=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/go-test/deep v1.0.3/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
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github.com/golang/protobuf v1.1.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
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github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
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github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
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github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
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github.com/hashicorp/hcl/v2 v2.7.1 h1:eZWfKEO93WyE4OnZSD5LVy70YHDV/mmQ49gpKDLpDVM=
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github.com/hashicorp/hcl/v2 v2.7.1/go.mod h1:bQTN5mpo+jewjJgh8jr0JUguIi7qPHUF6yIfAEN3jqY=
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github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
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github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
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github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 h1:DpOJ2HYzCv8LZP15IdmG+YdwD2luVPHITV96TkirNBM=
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github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
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github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
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github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
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github.com/zclconf/go-cty v1.2.0 h1:sPHsy7ADcIZQP3vILvTjrh74ZA175TFP5vqiNK1UmlI=
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github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/net v0.0.0-20180811021610-c39426892332/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
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golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
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gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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108
graph.hcl
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108
graph.hcl
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name = "graph1"
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nodes {
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name = "A"
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start = true
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}
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nodes {
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name = "B"
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}
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nodes {
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name = "C"
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}
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nodes {
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name = "D"
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}
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nodes {
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name = "E"
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}
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nodes {
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name = "F"
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}
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nodes {
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name = "G"
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}
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nodes {
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name = "H"
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}
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nodes {
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name = "I"
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}
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nodes {
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name = "J"
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}
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links {
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from = "A"
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to = "B"
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value = 85
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}
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links {
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from = "A"
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to = "C"
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value = 217
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}
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links {
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from = "A"
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to = "E"
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value = 173
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}
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links {
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from = "B"
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to = "F"
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value = 80
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}
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links {
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from = "C"
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to = "G"
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value = 186
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}
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links {
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from = "C"
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to = "H"
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value = 103
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}
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links {
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from = "D"
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to = "H"
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value = 183
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}
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links {
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from = "F"
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to = "I"
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value = 250
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}
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links {
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from = "H"
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to = "J"
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value = 167
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}
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links {
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from = "I"
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to = "J"
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value = 84
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}
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links {
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from = "E"
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to = "J"
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value = 502
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}
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12
internal/graph.go
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12
internal/graph.go
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package internal
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import (
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"errors"
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)
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type Graph struct {
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Name string `hcl:"name"`
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Nodes []*Node `hcl:"nodes,block"`
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Links []*Link `hcl:"links,block"`
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}
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8
internal/link.go
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8
internal/link.go
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package internal
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type Link struct {
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From string `hcl:"from"`
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To string `hcl:"to"`
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Oriented bool `hcl:"oriented,optional"`
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Value int `hcl:"value"`
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}
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7
internal/node.go
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7
internal/node.go
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package internal
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type Node struct {
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Name string `hcl:"name"`
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Value int `hcl:"value,optional"`
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IsStart bool `hcl:"start,optional"`
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}
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