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m →Side effects: {{codett|lang=nim|1=}} |
m →Syntax: split <syntaxhighlight> |
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* <code>SomeOrdinal</code> {{En dash}} Represents all the basic countable and ordered types, except of non integer number
This code sample demonstrates the use of typeclasses in Nim]
<syntaxhighlight lang="nim # Let's declare a function that takes any type of number and displays its double
# In Nim functions with side effect are called "proc"
proc timesTwo(i: SomeNumber) =
echo i * 2
</syntaxhighlight>
<syntaxhighlight lang="nim">
# Let's write another function that takes any ordinal type, and returns
# the double of the input in its original type, if it is a number;
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# multiplied by two, and reconverted to its based type
result = (i.int * 2).T
echo twiceIfIsNumber(67) # Passes an int to the function▼
echo twiceIfIsNumber(67u8) # Passes an uint8 ▼
echo twiceIfIsNumber(true) # Passes a bool (Which is also an Ordinal)▼
</syntaxhighlight>
▲ {{codett|lang=nim|echo twiceIfIsNumber(67) # Passes an int to the function}}
▲ {{codett|lang=nim|echo twiceIfIsNumber(true) # Passes a bool (Which is also an Ordinal)}}
=== Influence ===
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