// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com). // All rights reserved. // operand-literal.go package expr // -------- literal term func newLiteralTerm(tk *Token) *term { return &term{ tk: *tk, parent: nil, children: nil, position: posLeaf, priority: priValue, evalFunc: evalLiteral, } } // -------- eval func func evalLiteral(ctx ExprContext, opTerm *term) (v any, err error) { v = opTerm.tk.Value return } // init func init() { registerTermConstructor(SymString, newLiteralTerm) registerTermConstructor(SymInteger, newLiteralTerm) registerTermConstructor(SymFloat, newLiteralTerm) registerTermConstructor(SymFraction, newLiteralTerm) registerTermConstructor(SymBool, newLiteralTerm) registerTermConstructor(SymKwNil, newLiteralTerm) }