syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"dcx.emit_err(InitializingTypeWithUnsafeFieldRequiresUnsafe"}]}
source_snippet:                 dcx.emit_err(InitializingTypeWithUnsafeFieldRequiresUnsafe {
context_before:             InitializingTypeWithUnsafeField => {
context_after:                     span,