github.com/aacfactory/fns@v1.2.85/commons/operators/sort.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   * 	http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   */
    17  
    18  package operators
    19  
    20  import (
    21  	"context"
    22  	"sort"
    23  )
    24  
    25  func Sort[T any](ctx context.Context, array []T, less func(context.Context, T, T) (bool, error)) (rr []T, err error) {
    26  	if array == nil || len(array) == 0 {
    27  		rr = array
    28  		return
    29  	}
    30  	sort.Slice(array, func(i, j int) bool {
    31  		n, cErr := less(ctx, array[i], array[j])
    32  		if cErr != nil {
    33  			err = cErr
    34  			return false
    35  		}
    36  		return n
    37  	})
    38  	rr = array
    39  	return
    40  }