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Enforced immutability: Difference between revisions
Add Nimrod
(Add Nimrod) |
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Line 440:
<lang Nemerle>def foo = 42; // immutable by default
mutable bar = "O'Malleys"; // mutable because you asked it to be</lang>
=={{header|Nimrod}}==
<lang nimrod>var x = "mutablefoo" # Mutable variable
let y = "immutablefoo" # Immutable variable, at runtime
const z = "constantfoo" # Immutable constant, at compile time
x[0] = 'M'
y[0] = 'I' # Compile error: 'y[0]' cannot be assigned to
z[0] = 'C' # Compile error: 'z[0]' cannot be assigned to</lang>
=={{header|OCaml}}==
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