Retriever's blog

c_void到u8 - laertes-2023

Sep 5, 20231 min read

为什么把c_void重命名为u8? 类型大小: u8通常代表一个单字节（8位）的无符号整数。c_void作为一个“空”类型，通常也被当作一个单字节进行处理（尽管这取决于具体的实现）。因此，这两者在大小上是匹配的。 类型转换简便:...

c_void到u8 - laertes-2023

if all(char not in [';', '[', ']', '(', ')', '{', '}', ':', 'as'] for char in child_fragment):

Sep 1, 20231 min read

if all(char not in [';', '[', ']', '(', ')', '{', '}', ':', 'as'] for char in child_fragment):

if all(char not in [';', '[', ']', '(', ')', '{', '}', ':', 'as'] for char in child_fragment):

statement: c-78 vs rust-12 in tree sitter

Aug 31, 20231 min read

https://github.com/tree-sitter/tree-sitter-c/blob/master/src/grammar.json https://github.com/tree-sitter/tree-sitter-rust/blob/master/src/grammar.js...

statement: c-78 vs rust-12 in tree sitter

Arithmetic Right Shift vs Logical Right Shift in Java, Rust, C++, Python

Aug 20, 20232 min read

Certainly. Here's the explanation in English: >> and >>> are bitwise shift operators, where >> is an arithmetic right shift, and >>> is a logical...

Arithmetic Right Shift vs Logical Right Shift in Java, Rust, C++, Python

grep -E "for.*256" blocksort.c

Aug 15, 20231 min read

grep -E "for.*256" program.c

grep -E "for.*256" blocksort.c

Slides from 2020 ICSE-Virginia University

Aug 15, 20231 min read

小于50%的popular有unsafe block，小于30的crates有一个unsafe block RQ3: unsafe operations are used in practice? 大部分是Unsafe Functions Call RQ4:...

Slides from 2020 ICSE-Virginia University