syntax_data: {"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"this.as_constant(&this.thir[*value])"}]}
source_snippet:                 this.as_constant(&this.thir[*value])
context_before:             ExprKind::Scope { region_scope: _, lint_level: _, value } => {
context_after:             }