Mathlib Map

Theorems · Definition

Option.iget

Deprecated since 2026-01-05Mathlib marks this declaration as deprecated.

{α : Type u_1} → [Inhabited α] → Option α → α

Inhabited get function. Returns a if the input is some a, otherwise returns default.

Defined in
Mathlib.Data.Option.Defs
Cited by
5 results in Mathlib
Foundations
Depth 5 from the axioms · uses no axioms
Assumes
Inhabited
Mathlib docsSourceLoogleLeanSearch

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Option.getD_default_eq_iget · cited by 0Option.getD_default_eq_ig…Option.iget_mem · cited by 0Option.iget_memOption.iget_of_mem · cited by 0Option.iget_of_memOption.iget_some · cited by 0Option.iget_somePrimrec.option_iget · cited by 0Primrec.option_igetOption.igetCITED BYCITES

Cites0

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Nothing in Mathlib beyond the foundations.

Cited by5

Results whose statement or proof uses this declaration.