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lang: core, funcs, types: Add ctx to simple func

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Plumb through the standard context.Context so that a function can be
cancelled if someone requests this. It makes it less awkward to write
simple functions that might depend on io or network access.
This commit is contained in:
James Shubin
2024-05-09 19:25:46 -04:00
parent 3b754d5324
commit 415e22abe2
51 changed files with 166 additions and 108 deletions
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4
lang/core/iter/map_func.go
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@@ -766,7 +766,7 @@ func (obj *MapFunc) replaceSubGraph(subgraphInput interfaces.Func) error {
outputListFunc := structs.SimpleFnToDirectFunc(
"mapOutputList",
&types.FuncValue{
V: func(args []types.Value) (types.Value, error) {
V: func(_ context.Context, args []types.Value) (types.Value, error) {
listValue := &types.ListValue{
V: args,
T: obj.outputListType,
@@ -788,7 +788,7 @@ func (obj *MapFunc) replaceSubGraph(subgraphInput interfaces.Func) error {
inputElemFunc := structs.SimpleFnToDirectFunc(
fmt.Sprintf("mapInputElem[%d]", i),
&types.FuncValue{
V: func(args []types.Value) (types.Value, error) {
V: func(_ context.Context, args []types.Value) (types.Value, error) {
if len(args) != 1 {
return nil, fmt.Errorf("inputElemFunc: expected a single argument")
}