diff --git a/func-fmt.go b/func-fmt.go new file mode 100644 index 0000000..5644c3d --- /dev/null +++ b/func-fmt.go @@ -0,0 +1,36 @@ +// 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") +}