windjammer 0.47.0

// std/strings - String manipulation utilities
// Simplified version without closures/iterators for v0.6.0

// === CASE CONVERSION ===

// Convert to uppercase
fn to_upper(s: string) -> string {
    s.to_uppercase()
}

// Convert to lowercase
fn to_lower(s: string) -> string {
    s.to_lowercase()
}

// === WHITESPACE ===

// Trim whitespace from both ends
fn trim(s: string) -> string {
    s.trim()
}

// Trim whitespace from start
fn trim_start(s: string) -> string {
    s.trim_start()
}

// Trim whitespace from end
fn trim_end(s: string) -> string {
    s.trim_end()
}

// === CHECKING ===

// Check if string is empty
fn is_empty(s: &string) -> bool {
    s.is_empty()
}

// Check if string starts with prefix
fn starts_with(s: &string, prefix: &string) -> bool {
    s.starts_with(prefix)
}

// Check if string ends with suffix
fn ends_with(s: &string, suffix: &string) -> bool {
    s.ends_with(suffix)
}

// Check if string contains substring
fn contains(s: &string, substring: &string) -> bool {
    s.contains(substring)
}

// === REPLACEMENT ===

// Replace all occurrences
fn replace(s: string, from: &string, to: &string) -> string {
    s.replace(from, to)
}

// Replace first N occurrences
fn replacen(s: string, from: &string, to: &string, count: usize) -> string {
    s.replacen(from, to, count)
}

// === LENGTH ===

// Get string length in bytes
fn len(s: &string) -> usize {
    s.len()
}

// Get string length in characters
fn char_count(s: &string) -> usize {
    s.chars().count()
}

// === REPEAT ===

// Repeat string N times
fn repeat(s: &string, n: usize) -> string {
    s.repeat(n)
}