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eric-corumdigital/gist:c4af06070a794396567681fad954aa87

Created October 25, 2019 14:10
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gistfile1.txt
module SIMPLE-SYNTAX
endmodule
module SIMPLE
imports BOOL
imports INT
syntax S ::= "mul(" S "," S ")"
| "i(" Int ")"
rule mul( X:Int , Y:Int ) => X *Int Y
endmodule
@ehildenb
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mul(_, _) takes two S, but you've given it two Int. Did you mean to subsort syntax S ::= Int?

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