Run-length encoding: Difference between revisions
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}
Return</syntaxhighlight>
=={{header|V (Vlang)}}==
<syntaxhighlight lang="Zig">
const test = "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"
fn main() {
encoded := encode(test)
println(encoded)
println(decode(encoded))
}
fn encode(data string) string {
mut encode :=""
mut temp := []u8{}
for key, value in data {
if key > 1 {
if value != data[key - 1] {
encode += temp.len.str() + temp[0].ascii_str()
temp.clear()
}
}
temp << value
}
encode += temp.len.str() + temp[0].ascii_str()
temp.clear()
return encode
}
fn decode(data string) string {
mut decode :=""
mut temp := []u8{}
for value in data {
if value.is_digit() == false {
decode += value.repeat(temp.bytestr().int())
temp.clear()
}
else {temp << value}
}
return decode
}
</syntaxhighlight>
{{out}}
<pre>
12W1B12W3B24W1B14W
WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW
</pre>
=={{header|Wren}}==
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