Redefinition of builtin RVV-B0009
Bug risk
Major
6 months ago
—
a year old
redefinition of the built-in function len
107 }
108 chars.trimLengthKnown = true
109 var i int
110 len := chars.Length()111 for i = len - 1; i >= 0; i-- {
112 char := chars.Get(i)
113 if !unicode.IsSpace(char) {
Description
Constant names like false, true, nil and function names like append,
make, and basic type names like bool, and byte are not reserved keywords
of the language making them eligible for redefinition. It is not recommended to
redefine these builtins (or keywords) that can lead to bugs that are very
difficult to detect.
Bad practice
nil := true
Recommended
nilVal := true