/usr/share/gocode/src/github.com/hashicorp/hil/example_func_test.go is in golang-github-hashicorp-hil-dev 0.0~git20160326.0.40da60f-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | package hil_test
import (
"fmt"
"log"
"strings"
"github.com/hashicorp/hil"
"github.com/hashicorp/hil/ast"
)
func Example_functions() {
input := "${lower(var.test)} - ${6 + 2}"
tree, err := hil.Parse(input)
if err != nil {
log.Fatal(err)
}
lowerCase := ast.Function{
ArgTypes: []ast.Type{ast.TypeString},
ReturnType: ast.TypeString,
Variadic: false,
Callback: func(inputs []interface{}) (interface{}, error) {
input := inputs[0].(string)
return strings.ToLower(input), nil
},
}
config := &hil.EvalConfig{
GlobalScope: &ast.BasicScope{
VarMap: map[string]ast.Variable{
"var.test": ast.Variable{
Type: ast.TypeString,
Value: "TEST STRING",
},
},
FuncMap: map[string]ast.Function{
"lower": lowerCase,
},
},
}
value, valueType, err := hil.Eval(tree, config)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Type: %s\n", valueType)
fmt.Printf("Value: %s\n", value)
// Output:
// Type: TypeString
// Value: test string - 8
}
|