Slow patterns are those that have atoms with less than 2 bytes. Such patterns can slow down scanning and the compiler raises a warning when it finds one of those patterns. The new APIs allow telling the compiler to raise an error instead of a warning.
Slow patterns are those that have atoms with less than 2 bytes. Such patterns can slow down scanning and the compiler raises a warning when it finds one of those patterns. The new APIs allow telling the compiler to raise an error instead of a warning.