fromString method
Implementation
EnhancedEnumNamingConvention? fromString(String val) {
final override = {
'original': EnhancedEnumNamingConvention.original,
'camelCase': EnhancedEnumNamingConvention.camelCase,
'upperCamelCase': EnhancedEnumNamingConvention.upperCamelCase,
'snakeCase': EnhancedEnumNamingConvention.snakeCase,
'screamingSnakeCase': EnhancedEnumNamingConvention.screamingSnakeCase,
}[val];
// ignore: unnecessary_this
return this.contains(override) ? override : null;
}