/
chunklist.go
53 lines (44 loc) · 1.5 KB
/
chunklist.go
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// Copyright 2022, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package std
import (
"errors"
p "github.com/pulumi/pulumi-go-provider"
"github.com/pulumi/pulumi-go-provider/infer"
)
type Chunklist struct{}
type ChunklistArgs struct {
Input []interface{} `pulumi:"input"`
Size int `pulumi:"size"`
}
type ChunklistResult struct {
Result []interface{} `pulumi:"result"`
}
func (r *Chunklist) Annotate(a infer.Annotator) {
a.Describe(r, "Splits a single list into multiple lists where each has at most the given number of elements.")
}
func (*Chunklist) Call(_ p.Context, args ChunklistArgs) (ChunklistResult, error) {
if args.Size < 0 {
return ChunklistResult{}, errors.New("size must be greater than or equal to 0")
}
output := make([]interface{}, 0)
for i := 0; i < len(args.Input); i += args.Size {
end := i + args.Size
if end > len(args.Input) {
end = len(args.Input)
}
output = append(output, args.Input[i:end])
}
return ChunklistResult{output}, nil
}