22 lines
562 B
Go
22 lines
562 B
Go
// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// context.go
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package expr
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type FuncTemplate func(ctx exprContext, name string, args []any) (result any, err error)
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type exprFunc interface {
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Name() string
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MinArgs() int
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MaxArgs() int
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}
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type exprContext interface {
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GetValue(varName string) (value any, exists bool)
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SetValue(varName string, value any)
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GetFuncInfo(name string) exprFunc
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Call(name string, args []any) (result any, err error)
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RegisterFunc(name string, f FuncTemplate, minArgs, maxArgs int)
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}
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