lookahead
基本解释
- n.考虑未来(预先作准备
英汉例句
- Positive lookahead and lookbehind do not backtrack.
积极的预测先行和追溯不回溯。 - The biggest limitation is that yacc is limited to one token of lookahead.
最大的局限在于,yacc被限定为一个预读标记。 - This “lookahead” into cool/hot spot movement is supplied to you each turn.
这些对于冷/热场的的移动信息在每次移动之前会提供给你。 - Provides information about regular expression lookahead and lookbehind behavior.
提供关于正则表达式预测先行和追溯行为的信息。 - Assertions do not change: lookahead looks to the right; lookbehind looks to the left.
断言不改变:预测先行向右搜索;回顾后发向左搜索。