From 75358e5d3530be3e216b4c7f1ba108c93f93d48c Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Sun, 2 Jun 2024 12:32:08 +0200
Subject: [PATCH] func-fmt.go: print() and println()

---
 func-fmt.go | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 func-fmt.go

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")
+}