language-design

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Why does the TypeScript compiler compile its optional chaining and null-coalescing operators with two checks?
user_31204460
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61
1
3660
typescript language-design
What is the non-synchronized equivalent to a protected type in Ada?
user_18497480
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2
5
214
ada language-design oop
What is the relation between syntax sugar, laziness and list elements accessed by index in Haskell?
user_96815770
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6
1
311
language-design lazy-evaluation functional-programming haskell
Cannot implicitly convert child class to parent class in type parametrized method
user_167700540
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4
2
603
language-design generics c#
Why can't non-nullable fields be initialized in a constructor body in Dart?
user_48669880
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2
2
659
dart-null-safety dart flutter language-design
Why must I provide 'operator ==' when 'operator <=>' is enough?
user_5083430
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54
5
5873
c++20 language-lawyer spaceship-operator language-design c++
Why Common Lisp evaluates a symbol to itself without the quote?
user_91136790
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3
2
149
racket evaluation language-design common-lisp symbols
Antlr4: Skip line when it start with * unless the second char is
user_147812150
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2
1
194
antlr4 language-design
Why is the default scoping behavior in Perl the way that it is?
user_63990870
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5
3
203
language-design perl scope
How is Dart "sound null-safety" different from Kotlin null safety?
user_95782950
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26
2
2187
kotlin-null-safety dart-null-safety dart kotlin language-design
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