27 lines
539 B
Go
27 lines
539 B
Go
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// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// func-builtins.go
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package expr
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import (
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"fmt"
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)
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func isNilFunc(ctx ExprContext, name string, args []any) (result any, err error) {
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if len(args) == 1 {
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result = args[0] == nil
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} else {
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err = fmt.Errorf("%s() requires exactly one param", name)
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}
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return
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}
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func ImportBuiltinsFuncs(ctx ExprContext) {
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ctx.RegisterFunc("isNil", &simpleFunctor{f: isNilFunc}, 1, -1)
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}
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func init() {
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registerImport("builtins", ImportBuiltinsFuncs)
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}
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