"If/else expressions", as opposed to if/else merely doing control flow. Really surprising that they took so long to become mainstream, yet still more than a dec

"If/else expressions", as opposed to if/else merely doing control flow. Really surprising that they took so long to become mainstream, yet still more than a decade after I started using them I still occasionally miss the more "expression-like" look of the ternary in languages that don't offer both.