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// RUN: %boogie -noinfer %s > %t
// RUN: %diff %s.expect %t
// RUN: %boogie -noinfer -typeEncoding:m %s > %t
// RUN: %diff %s.expect %t
procedure foo()
{
var a: [int]int;
var c:int,b:bool;
a := (lambda y:int :: if b then y + c else 7);
assume b;
assert a[3] == c+3;
}
procedure bar()
{
assert (lambda x:int :: x > 0)[10];
}
type t1;
procedure baz()
{
var m:[int,t1]int;
var t:t1, t2:t1;
m := (lambda i:int, tt:t1 :: if tt == t then i else 12);
assert m[1,t] == 1;
assert t == t2 || m[1,t2] == 12;
assert m[12,t2] == 12;
}
procedure fail()
{
var m:[int,t1]int;
var t:t1, t2:t1;
m := (lambda i:int, tt:t1 :: if tt == t then i else 12);
assert m[1,t2] == 12;
assert m[1,t] == 2;
}
type set = [int]bool;
function union(a:set, b:set) : set;
axiom (forall a,b:set :: union(a,b) == (lambda x:int :: a[x] || b[x]));
function diff(a:set, b:set) : set {(lambda x:int :: a[x] && !b[x]) }
procedure a()
{
var a:set, b:set;
assume a[1];
assume b[2];
assert union(a,b)[1];
assert union(a,b)[2];
assume !b[1];
assert diff(a,b)[1];
assert !diff(a,b)[2];
}
procedure nestedLambda()
{
var a: [int][int]int;
a := (lambda x: int :: (lambda y: int :: x+y));
}
// The following tests that the lambda in the desugaring of the
// call command gets replaced.
procedure P();
ensures (lambda y: int :: y == y)[15];
procedure Q()
{
call P();
}
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