What is the difference between && , || operators and and, or ?
What is the difference between && , || operators and and, or ?
Here is the difference between the &&
, ||
operators and and
, or
keywords in Ruby on Rails:
The &&
operator and and
keyword are both used for logical AND operations, but they have some differences:
Precedence: &&
has higher precedence than and
, meaning &&
is evaluated first in an expression. This can lead to different results depending on the order of operations.
Short-circuiting: Both &&
and and
short-circuit, meaning they stop evaluating operands as soon as the result is determined. However, &&
is more commonly used for this purpose.
Readability: &&
is more commonly used in Ruby code, as it is more concise and easier to read, especially when used in complex expressions.
The ||
operator and or
keyword are both used for logical OR operations, but they also have some differences:
...
middle
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