The memoization will only be useful if we either do variable hoisting,
which are inherently limited to the current function, or we store it in
persistent term. The former will require meaningful changes in the compiler
and the latter may have runtime impact.
Instead, we are discussing adding the o
TLDR;
Memoize (bind to a variable) the result of `Regex.compile!/2` on OTP 28 so
that it is only compiled once.
Background
Since in OTP 28 it's not possible to unquote a regex (~r//) into code,
the implementation of sigil_r on OTP 28 has to compile the regex at
runtime. In code which itera
