define top-level property
定义环境变量的选项
Implementation
final FigOption define = FigOption(
name: ['-D', '--define'],
description:
'Define an environment declaration. To specify multiple declarations, '
'use multiple options or use commas to separate key-value pairs. '
'For example: dart compile aot-snapshot -D a=1,b=2 main.dart',
args: [
FigArg(
name: 'key-value-pairs',
description: 'Key-value pairs to define in Dart script',
isVariadic: true,
),
],
);