FUN extends the LET language with first-class functions, allowing them to be created as values, passed as arguments, and returned as results. The article explains how to implement function expressions and call expressions, including evaluation rules for creating functions and calling them with single arguments using call-by-value semantics.
Chuks v0.2.0-rc.1 is a release candidate for the Chuks programming language, undergoing rigorous testing across multiple execution modes and targets. The team invites developers to test the build and report bugs, while documenting several breaking changes from v0.1.2 including loop scoping, async function semantics, and string position handling.