/
select_slice.go
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/
select_slice.go
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/* /////////////////////////////////////////////////////////////////////////
* File: select_slice.go
*
* Purpose: SelectSlice*() functions
*
* Created: 1st March 2019
* Updated: 11th March 2019
*
* Home: http://github.com/synesissoftware/ANGOLS
*
* Copyright (c) 2019, Matthew Wilson and Synesis Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the names of Matthew Wilson, Synesis Software nor
* the names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ////////////////////////////////////////////////////////////////////// */
package angols
import (
)
// /////////////////////////////////////////////////////////////////////////
// Select*
func SelectSliceOfInt(input_slice []int, selector func(index int, input_item int) (bool, error)) ([]int, error) {
input_len := len(input_slice)
result := make([]int, input_len)
result_len := 0
for i, v := range input_slice {
selected, err := selector(i, v)
if err != nil {
return nil, err
}
if selected {
result[result_len] = v
result_len++
}
}
return result[0:result_len], nil
}
func SelectSliceOfUInt(input_slice []uint, selector func(index int, input_item uint) (bool, error)) ([]uint, error) {
input_len := len(input_slice)
result := make([]uint, input_len)
result_len := 0
for i, v := range input_slice {
selected, err := selector(i, v)
if err != nil {
return nil, err
}
if selected {
result[result_len] = v
result_len++
}
}
return result[0:result_len], nil
}
func SelectSliceOfString(input_slice []string, selector func(index int, input_item string) (bool, error)) ([]string, error) {
input_len := len(input_slice)
result := make([]string, input_len)
result_len := 0
for i, v := range input_slice {
selected, err := selector(i, v)
if err != nil {
return nil, err
}
if selected {
result[result_len] = v
result_len++
}
}
return result[0:result_len], nil
}
/* ///////////////////////////// end of file //////////////////////////// */