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zeekay
011df15db5
Module path renamed to github.com/hanzoai/eval and the Go package renamed from govaluate to eval. Evaluation, parsing, lexing, and operator behavior are unchanged; MIT license and George Lester attribution retained. See NOTICE for lineage.
31 lines
518 B
Go
31 lines
518 B
Go
package eval
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type tokenStream struct {
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tokens []ExpressionToken
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index int
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tokenLength int
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}
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func newTokenStream(tokens []ExpressionToken) *tokenStream {
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ret := new(tokenStream)
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ret.tokens = tokens
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ret.tokenLength = len(tokens)
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return ret
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}
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func (this *tokenStream) rewind() {
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this.index -= 1
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}
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func (this *tokenStream) next() ExpressionToken {
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token := this.tokens[this.index]
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this.index += 1
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return token
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}
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func (this tokenStream) hasNext() bool {
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return this.index < this.tokenLength
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}
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