expr/func-fmt.go

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2024-06-02 12:32:08 +02:00
// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
// All rights reserved.
// func-fmt.go
package expr
import "fmt"
func printFunc(ctx ExprContext, name string, args []any) (result any, err error) {
var n int
if n, err = fmt.Print(args...); err == nil {
result = int64(n)
}
return
}
func printLnFunc(ctx ExprContext, name string, args []any) (result any, err error) {
var n int
if n, err = fmt.Println(args...); err == nil {
result = int64(n)
}
return
}
func ImportFmtFuncs(ctx ExprContext) {
ctx.RegisterFunc("print", newGolangFunctor(printFunc), typeInt, []ExprFuncParam{
newFuncParamFlag(paramItem, pfRepeat),
})
ctx.RegisterFunc("println", newGolangFunctor(printLnFunc), typeInt, []ExprFuncParam{
newFuncParamFlag(paramItem, pfRepeat),
})
}
func init() {
registerImport("fmt", ImportFmtFuncs, "String and console formatting functions")
}