Determining the return type of expression
Type Info is very helpful on a per-expression basis
Place the caret at the necessary code element and press ⌃⇧P (macOS) / Ctrl+Shift+P (Windows/Linux) or select View | Type Info from the main menu.
Place the caret at the necessary code element and press ⌃⇧P (macOS) / Ctrl+Shift+P (Windows/Linux) or select View | Type Info from the main menu.