Add a new method with eval : eval « Development « Ruby
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Ruby
»
Development
»
eval
Add a new method with eval
class
String
eval %
{
def last
(
n
)
self
[
-n, n
]
end
}
end
"Here's a string."
.last
(
7
)
# =>
"string."
Related examples in the same category
1.
Use eval to run a statement dynamically
2.
Execute an eval in a thread
3.
Evaluation with variable
4.
eval with variable name
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