statement1 || statement2 || statement3 ||……有一个为true 则为true 1 22.2 例子[root@localhost hani]# cat ortest.sh #!/bin/sh rm -f file_one if [ -f file_one ] || echo "hello" || echo "there" then echo "in if" else echo
GopherLua - a Lua5.1(+ goto statement in Lua5.2) VM and compiler written in Go. It provides Go APIs that allow you to easily embed a scripting language to your Go host programs. Pluto - a superset of Lua 5.4 with a focus on general-purpose programming. You can try it out here. Plu...
in one single pass. This approach is remarkable and very efficient, but makes it difficult to modify or extend the programming language. To illustrate how parsing works in the language toolkit, let us make an example. The grammar rule for the "return" statement is: ...
CONSORT(consolidated standards of reporting trials,报告试验的综合标准)提供了一系列报告随机试验的建议、检查表和流程图,称为CONSORT声明(http://www.consort-statement.org/另见[24])。大多数期刊和基金机构都要求随机试验的论文同时提交CONSORT声明...
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if, else, else if switch statement Description: Understand how to control the flow of your program using conditional statements. let day = "Monday"; if (day === "Monday") { console.log("Start of the week"); } else { console.log("Not Monday"); } Day 5: Functions - Declarations an...