go-pkg/expr
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

list-type.go: two special constructors, MakeList() and ListFromStrigns(), added

Browse Source
This commit is contained in:
Celestino Amoroso 2024-06-07 09:02:14 +02:00
parent 08e0979cdd
commit 00c76b41f1
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
list-type.go
View File

@ -20,6 +20,10 @@ func newListA(listAny ...any) (list *ListType) {
} }
func newList(listAny []any) (list *ListType) { func newList(listAny []any) (list *ListType) {
return NewList(listAny)
}
func NewList(listAny []any) (list *ListType) {
if listAny != nil { if listAny != nil {
ls := make(ListType, len(listAny)) ls := make(ListType, len(listAny))
for i, item := range listAny { for i, item := range listAny {
@ -30,6 +34,23 @@ func newList(listAny []any) (list *ListType) {
return return
} }
func MakeList(length, capacity int) (list *ListType) {
if capacity < length {
capacity = length
}
ls := make(ListType, length, capacity)
list = &ls
return
}
func ListFromStrings(stringList []string) (list *ListType) {
list = MakeList(len(stringList), 0)
for i, s := range stringList {
(*list)[i] = s
}
return
}
func (ls *ListType) ToString(opt FmtOpt) (s string) { func (ls *ListType) ToString(opt FmtOpt) (s string) {
var sb strings.Builder var sb strings.Builder
sb.WriteByte('[') sb.WriteByte('[')