Optree Manipulation Functions

cv_const_sv

If cv is a constant sub eligible for inlining. returns the constant value returned by the sub. Otherwise, returns NULL.

Constant subs can be created with newCONSTSUB or as described in perlsub/"Constant Functions".

SV* cv_const_sv(CV* cv)

newCONSTSUB

Creates a constant sub equivalent to Perl sub FOO () { 123 } which is eligible for inlining at compile-time.

CV* newCONSTSUB(HV* stash, char* name, SV* sv)

newXS

Used by xsubpp to hook up XSUBs as Perl subs.

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