Type whose instances represent values rather than object identity.

Tree representation of parsed source-code structure.

Compiler stage generating target code.

Ability to operate correctly when used concurrently by multiple threads.

Inner variable hides another variable with the same name.

Abbreviation for Abstract Syntax Tree.

Named value that cannot normally change.

Function or wrapper delaying or adapting another operation.

Rule limiting acceptable dependency versions.

Ordering of bytes representing multi-byte values.