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parse_optional_source

Function parse_optional_source 

Source
pub fn parse_optional_source(value: &str) -> Result<(), FaceParseError>
Expand description

Accept or refuse an optional string field’s text, which is the same rule render_optional_source applies — minus the rendering. 接受或拒绝可选字符串字段的文本,与 render_optional_source 用的是同一条规则——只是 不做渲染。