lean2/tests/lean/let1.lean

Import int.

Show let a : Nat := 10, b : Nat := 20, c : Nat := 30, d : Nat := 10 in a + b + c + d
Show let a : Nat := 1000000000000000000, b : Nat := 20000000000000000000, c : Nat := 3000000000000000000, d : Nat := 4000000000000000000 in a + b + c + d
Check let a : Nat := 10 in a + 1
Eval let a : Nat := 20 in a + 10
Eval let a := 20 in a + 10
Check let a : Int := 20 in a + 10
SetOption pp::coercion true
Show let a : Int := 20 in a + 10
refactor(builtin): only load the kernel and natural numbers by default Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-30 21:35:37 +00:00			`Import int.`
Add (optional) type to let declarations Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-09-06 17:06:26 +00:00
			`Show let a : Nat := 10, b : Nat := 20, c : Nat := 30, d : Nat := 10 in a + b + c + d`
			`Show let a : Nat := 1000000000000000000, b : Nat := 20000000000000000000, c : Nat := 3000000000000000000, d : Nat := 4000000000000000000 in a + b + c + d`
			`Check let a : Nat := 10 in a + 1`
			`Eval let a : Nat := 20 in a + 10`
			`Eval let a := 20 in a + 10`
			`Check let a : Int := 20 in a + 10`
feat(frontends/lean): rename command Set to SetOption It is not nice to have Set as a reserved keyword. See example examples/lean/set.lean Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-19 05:18:45 +00:00			`SetOption pp::coercion true`
Add (optional) type to let declarations Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-09-06 17:06:26 +00:00			`Show let a : Int := 20 in a + 10`