Add support for generic function declarations#2463

Draft

turbolent wants to merge 3 commits intomasterfrom

bastian/generic-functions

Commits on Apr 23, 2023

remove feature flag in parser for type parameter lists in function declarations
turbolent
committed
add support for generic function declarations
turbolent
committed

Commits on Apr 24, 2023

add interpreter tests for generic functions
turbolent
committed