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Suppose you are describing a new programing language a­nd are considering the syntax of identifiers. What...

Suppose you are describing a new programing language a­nd are considering the syntax of identifiers. What are your arguments for and against making identifiers case-sensitive.

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Answer #1

Arguments for making identifiers case-sensitive:

  • Case sensitivity makes parsing easier.
  • It provides a cleaner syntax,
  • Semantically case-sensitivity offers a more consistent code
  • In many languages like German, Arabic it is not that simple to compare lower case and uppercase  Also many languages have letters that are not in ASCII. These makes it difficult to implement case-insensitivity
  • It requires extra work for compilers to make identifiers case-insensitive

Arguments for making identifiers case-insensitive:

  • This is more simpler as variables can be named without thinking about the case
  • In case of languages supporting case-sensitivity, two identifiers can refer to different things, which can be confusing(Name and name can point to different things)
  • Case sensitivity can lead to erroneous code if some identifiers are just different due to the case and one gets used at a point in code instead of the other.
  • Case-insensitivity makes codes less ambiguous by having one name respective of cases being used only to point to one thing
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