grim/convey

Update to Go 1.21 and use some new helpers

5 months ago, Elliott Sales de Andrade
adb6eb2a7d21
Update to Go 1.21 and use some new helpers

`strings.Cut` was added in 1.18, and `maps`/`slices` in 1.21.

Testing Done:
Ran `go test ./...`

Reviewed at https://reviews.imfreedom.org/r/2870/
// Convey
// Copyright 2016-2020 Gary Kramlich <grim@reaperworld.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package fs
import (
"strings"
)
type PathSpec struct {
src string
dst string
}
// ParsePathSpec will split a string on the first : and return two pieces.
// If there is no colon, then either "." (the current working directory)
// will be returned as the destination.
func ParsePathSpec(spec string) *PathSpec {
src, dst, found := strings.Cut(spec, ":")
if !found {
dst = src
}
return &PathSpec{src: src, dst: dst}
}
func (ps *PathSpec) Source() string {
return ps.src
}
func (ps *PathSpec) Destination() string {
return ps.dst
}