Default object values silently override generic types

[carrexxii]

Description

Using a default value can silently override a generic type:

type
  Gen[T] = object
    a: T = 1.0

  Spec32 = Gen[float32]
  Spec64 = Gen[float64]

var
  a: Spec32
  b: Spec64
echo(sizeof a, " vs ", sizeof b)

Nim Version

Nim Compiler Version 2.0.4 [Linux: amd64]

Current Output

8 vs 8

Expected Output

4 vs 8

Possible Solution

No response

Additional Information

No response