33 lines
1.2 KiB
Text
33 lines
1.2 KiB
Text
/-
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Copyright (c) 2022 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Leonardo de Moura
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-/
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prelude
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import Init.Meta
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import Init.SizeOf
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import Init.Data.Nat.Linear
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@[simp] protected theorem Fin.sizeOf (a : Fin n) : sizeOf a = a.val + 1 := by
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cases a; simp_arith
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@[simp] protected theorem UInt8.sizeOf (a : UInt8) : sizeOf a = a.toNat + 2 := by
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cases a; simp_arith [UInt8.toNat]
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@[simp] protected theorem UInt16.sizeOf (a : UInt16) : sizeOf a = a.toNat + 2 := by
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cases a; simp_arith [UInt16.toNat]
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@[simp] protected theorem UInt32.sizeOf (a : UInt32) : sizeOf a = a.toNat + 2 := by
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cases a; simp_arith [UInt32.toNat]
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@[simp] protected theorem UInt64.sizeOf (a : UInt64) : sizeOf a = a.toNat + 2 := by
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cases a; simp_arith [UInt64.toNat]
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@[simp] protected theorem USize.sizeOf (a : USize) : sizeOf a = a.toNat + 2 := by
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cases a; simp_arith [USize.toNat]
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@[simp] protected theorem Char.sizeOf (a : Char) : sizeOf a = a.toNat + 3 := by
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cases a; simp_arith [Char.toNat]
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@[simp] protected theorem Subtype.sizeOf {α : Sort u_1} {p : α → Prop} (s : Subtype p) : sizeOf s = sizeOf s.val + 1 := by
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cases s; simp_arith
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