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Results tagged with strings
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user 15
For questions about the implementation or design of strings within a programming language.
15
votes
Why do programming languages use delimiters (quotes) for strings?
The feature you're asking about is known as barewords, and they're common in markup languages such as HTML and (La)TeX, where the "strings" indicate text to be displayed, and data languages such as YAML … Ruby and JS can support barewords -- by defining a particular method_missing or using with + a Proxy respectively -- but this is rare in practice, since it makes it difficult to tell apart unquoted strings …
- 9,407
11
votes
What are the advantages/disadvantages of null-terminated strings vs length-prefixed strings?
over-allocation
| capacity
length
This is particularly useful for languages with mutable strings, as it allows append operations to be amortized O(1). …
- 9,407
6
votes
What are some different approaches to raw string syntax, and what are their pros and cons?
Swift: Raw strings with interpolation
Swift, like Rust, uses hash signs for raw strings. … However, you can also interpolate into raw strings by adding the hashes to the interpolation marker:
"Regular string interpolation \(x)"
#"Raw string with "quotes" in it"#
#"Raw string with interpolation …
- 9,407
12
votes
Should my language distinguish between single- and double-quoted literals?
Avoid escaping nested quotes
This is what I do when programming in JavaScript:
let foo = "This doesn't need to be escaped";
let bar = 'Neither does "this"';
Is it a deal-breaker to not have this? Abs …
- 9,407
20
votes
What are the advantages of strings and character arrays being different?
Different definitions of “character”
In Swift, the Character type isn’t a single Unicode codepoint (that’s UnicodeScalar), nor is it a single byte (that’s CChar). Instead, it represents an “extended g …
- 9,407
26
votes
How have modern language designs dealt with Unicode strings?
Swift
Swift strings are complicated. … Ordering
String equality is relatively straightforward: do the strings represent the same text? However, Strings can also be compared for order: str1 < str2 is legal. …
- 9,407
3
votes
Accepted
Implementing a number to string semantics efficiently in a C-style language?
Some languages have direct syntactic means to achieve this:
let x = 10;
let str = "x: \(x)"
However that syntax does not allow one to specify radix or minimum digits or similar conversion options
I …
- 9,407