diff options
| -rw-r--r-- | doc/tut1.txt | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/doc/tut1.txt b/doc/tut1.txt index 7dce8a218..747c1a3ff 100644 --- a/doc/tut1.txt +++ b/doc/tut1.txt @@ -758,19 +758,18 @@ However, this cannot be done for mutually recursive procedures: # forward declaration: proc even(n: int): bool -proc even(n: int): bool - -proc odd(n: int): bool = - assert(n >= 0) # makes sure we don't run into negative recursion - if n == 0: false - else: - n == 1 or even(n-1) +.. code-block:: nim + proc odd(n: int): bool = + assert(n >= 0) # makes sure we don't run into negative recursion + if n == 0: false + else: + n == 1 or even(n-1) -proc even(n: int): bool = - assert(n >= 0) # makes sure we don't run into negative recursion - if n == 1: false - else: - n == 0 or odd(n-1) + proc even(n: int): bool = + assert(n >= 0) # makes sure we don't run into negative recursion + if n == 1: false + else: + n == 0 or odd(n-1) Here ``odd`` depends on ``even`` and vice versa. Thus ``even`` needs to be introduced to the compiler before it is completely defined. The syntax for |