[Agda] Does the order of patterns matter?

[Altenkirch Thorsten]

On 27/09/2012 11:51, "Martin Escardo" <m.escardo at cs.bham.ac.uk> wrote:

>Already in definitions by pattern matching on natural
>numbers there is a departure from Martin-Lof type theory, because in
>MLTT you need an inductive definition to even compute the predecessor
>function.

I don't understand this remark.

Certainly we can define

pred : Nat -> Nat
pred 0 = 0
pred (suc n) = n

without any difficulties.

Thorsten

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