20/03/22 10:39:01 q38LxNo0.net
>>42 Pharo/Squeak Smalltalk
"すでに機能として組み込まれている"
Color r: 0 g: 0 b: 0. "=> Color black "
Color r: 0 g: 0 b: 1. "=> Color blue "
Color r: 0 g: 1 b: 0. "=> Color green "
Color r: 0 g: 1 b: 1. "=> Color cyan "
Color r: 1 g: 0 b: 0. "=> Color red "
Color r: 1 g: 0 b: 1. "=> Color magenta "
Color r: 1 g: 1 b: 0. "=> Color yellow "
Color r: 1 g: 1 b: 1. "=> Color white "
"カラー名と同名のメソッドコールでオブジェクトを得ることもできる"
Color red + Color green + Color blue. "=> Color white "
Color white - Color yellow "=> Color blue "