syntax_data: {"ast_node_type":"function","tokens":[{"end":74,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn from((modifier, result, size): (char, &'static str, u16)) -> Self {
context_before: impl From<(char, &'static str, u16)> for ModifierInfo {
context_after:         Self { modifier, result, size }