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lang: funcs: Allow the len function to determine str length

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This commit is contained in:
James Shubin
2019-02-28 08:54:11 -05:00
parent c049413b47
commit 95dab16e6e
1 changed files with 6 additions and 0 deletions
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6
lang/funcs/core/len_func.go
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@@ -26,6 +26,10 @@ import (
func init() { func init() {
simplepoly.Register("len", []*types.FuncValue{ simplepoly.Register("len", []*types.FuncValue{
{
T: types.NewType("func(str) int"),
V: Len,
},
{ {
T: types.NewType("func([]variant) int"), T: types.NewType("func([]variant) int"),
V: Len, V: Len,
@@ -43,6 +47,8 @@ func init() {
func Len(input []types.Value) (types.Value, error) { func Len(input []types.Value) (types.Value, error) {
var length int var length int
switch k := input[0].Type().Kind; k { switch k := input[0].Type().Kind; k {
case types.KindStr:
length = len(input[0].Str())
case types.KindList: case types.KindList:
length = len(input[0].List()) length = len(input[0].List())
case types.KindMap: case types.KindMap: