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roc/test/snapshots/lambda_capture/lambda_capture_advanced.md
Richard Feldman a26b5ea217
from_nominal takes a Nominal
2025-11-23 01:22:01 -05:00

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META

description=More davanced lambda capture
type=expr

SOURCE

(|a, b, c| |x| a + b + c + x)(10, 20, 5)(7)

EXPECTED

NIL

PROBLEMS

NIL

TOKENS

OpenRound,OpBar,LowerIdent,Comma,LowerIdent,Comma,LowerIdent,OpBar,OpBar,LowerIdent,OpBar,LowerIdent,OpPlus,LowerIdent,OpPlus,LowerIdent,OpPlus,LowerIdent,CloseRound,NoSpaceOpenRound,Int,Comma,Int,Comma,Int,CloseRound,NoSpaceOpenRound,Int,CloseRound,
EndOfFile,

PARSE

(e-apply
	(e-apply
		(e-tuple
			(e-lambda
				(args
					(p-ident (raw "a"))
					(p-ident (raw "b"))
					(p-ident (raw "c")))
				(e-lambda
					(args
						(p-ident (raw "x")))
					(e-binop (op "+")
						(e-binop (op "+")
							(e-binop (op "+")
								(e-ident (raw "a"))
								(e-ident (raw "b")))
							(e-ident (raw "c")))
						(e-ident (raw "x"))))))
		(e-int (raw "10"))
		(e-int (raw "20"))
		(e-int (raw "5")))
	(e-int (raw "7")))

FORMATTED

NO CHANGE

CANONICALIZE

(e-call
	(e-call
		(e-lambda
			(args
				(p-assign (ident "a"))
				(p-assign (ident "b"))
				(p-assign (ident "c")))
			(e-closure
				(captures
					(capture (ident "a"))
					(capture (ident "b"))
					(capture (ident "c")))
				(e-lambda
					(args
						(p-assign (ident "x")))
					(e-binop (op "add")
						(e-binop (op "add")
							(e-binop (op "add")
								(e-lookup-local
									(p-assign (ident "a")))
								(e-lookup-local
									(p-assign (ident "b"))))
							(e-lookup-local
								(p-assign (ident "c"))))
						(e-lookup-local
							(p-assign (ident "x")))))))
		(e-num (value "10"))
		(e-num (value "20"))
		(e-num (value "5")))
	(e-num (value "7")))

TYPES

(expr (type "d where [d.from_numeral : Numeral -> Try(d, [InvalidNumeral(Str)])]"))