Defs( Defs { tags: [ Index(2147483648), ], regions: [ @0-25, ], space_before: [ Slice(start = 0, length = 0), ], space_after: [ Slice(start = 0, length = 0), ], spaces: [], type_defs: [], value_defs: [ Body( @0-1 Identifier( "x", ), @4-25 When( @9-10 Var { module_name: "", ident: "n", }, [ WhenBranch { patterns: [ @19-20 SpaceBefore( NumLiteral( "0", ), [ Newline, ], ), ], value: @24-25 Num( "0", ), guard: None, }, ], ), ), ], }, @26-28 SpaceBefore( Num( "42", ), [ Newline, ], ), )