宣せん言げんの有ゆう効こう範はん囲い

noun

scope of declaration

Computing term referring to the region of a program where a particular declaration (e.g., variable, function) is valid and accessible.

• 変へん数すうの宣せん言げんの有ゆう効こう範はん囲いは、そのブロック内ないに限かぎられる。

  The scope of a variable declaration is limited to the block in which it appears.