global-variables - 如何清除或删除 julia 中的全局变量？

Question

是否有任何语法类似于 MATLAB 的“clear”，即如果我有一个全局变量“a”。我该如何摆脱它？我如何进行模拟

clear a

Answer 1

在此处查看此问题的最新答案:https://docs.julialang.org/en/v1/manual/faq/#How-do-I-delete-an-object-in-memory%3F
从文档中检索:

Julia does not have an analog of MATLAB’s clear function; once a nameis defined in a Julia session (technically, in module Main), it isalways present.

If memory usage is your concern, you can always replace objects withones that consume less memory. For example, if A is a gigabyte-sizedarray that you no longer need, you can free the memory with A = 0. Thememory will be released the next time the garbage collector runs; youcan force this to happen with gc().