Standard Library

You can see what is implemented with the checkboxes below.

std/io

• print<T>(val: T) -> unit: Print a string to the standard output.
• println<T>(val: T) -> unit: Print a string to the standard output followed by a newline.
• input() -> str: Read a line from the standard input.

std/fs

• File: A file type that can be used to read and write files.

NB: The File type is not implemented yet.

• open(filename: str, mode: str) -> File: Open a file in the specified mode.
• read(file: File) -> str: Read the content of a file.
• write(file: File, content: str) -> unit: Write content to a file.
• close(file: File) -> unit: Close a file.
• exists(filename: str) -> bool: Check if a file exists.
• remove(filename: str) -> unit: Remove a file.
• rename(old: str, new: str) -> unit: Rename a file.

std/str

• String: A string type that can be used to manipulate strings.

NB: The String type is not implemented yet.

Implements

• Indexable<char>: A trait that defines the get and set methods.

NB: The Indexable trait is not implemented yet.

Methods

• str_len(s: String) -> uint64: Get the length of a string.
• concat(s1: String, s2: String) -> String: Concatenate two strings.
• split(s: String, sep: str) -> List: Split a string into a list of substrings.
• join(lst: List, sep: str) -> String: Join a list of strings into a single string.
• replace(s: String, old: str, new: str) -> String: Replace all occurrences of a substring in a string.
• to_upper(s: String) -> String: Convert a string to uppercase.
• to_lower(s: String) -> String: Convert a string to lowercase.
• trim(s: String) -> String: Remove leading and trailing whitespace from a string.
• starts_with(s: String, prefix: str) -> bool: Check if a string starts with a prefix.
• ends_with(s: String, suffix: str) -> bool: Check if a string ends with a suffix.
• contains(s: String, sub: str) -> bool: Check if a string contains a substring.
• find(s: String, sub: str) -> int64: Find the index of the first occurrence of a substring in a string.
• rfind(s: String, sub: str) -> int64: Find the index of the last occurrence of a substring in a string.
• slice(s: String, start: int64, end: int64) -> String: Get a substring of a string.

Operators

• +: Concatenate two strings.
• []: Get a character from a string by index.
• []=: Set a character in a string by index.

std/list

• len<T>(lst: [T]) -> uint64: Get the length of a list.
• push<T>(lst: [T], val: T) -> unit: Add an element to the end of a list.
• pop<T>(lst: [T]) -> T: Remove and return the last element of a list.
• slice<T>(lst: [T], start: uint64, end: uint64) -> [T]: Get a slice of a list.
• remove<T>(lst: [T], index: uint64) -> T: Remove and return an element from a list by index.

std/vec

• Vec<T>: A vector is a dynamic array that can grow or shrink in size. It has a bunch of methods to manipulate the data.

Implements

• Indexable<T>: A trait that defines the get and set methods.

Methods

• Vec(data: [T]) -> Vec<T>: Create a new vector from a list.
• len() -> uint64: Get the length of the vector.
• is_empty() -> bool: Check if the vector is empty.
• push(val: T) -> unit: Add an element to the end of the vector.
• pop() -> T: Remove and return the last element of the vector.
• get(index: uint64) -> T: Get an element from the vector by index.
• set(index: uint64, val: T) -> unit: Set an element in the vector by index.

Operators

• []: Get an element from the vector by index.
• []=: Set an element in the vector by index.

std/time

• Time: A time type that can be used to represent time.

• now() -> Time: Get the current time.

• format(t: Time, fmt: str) -> str: Format a time value as a string.

• sleep(ms: uint64) -> unit: Sleep for the specified number of milliseconds.

• sleep_us(us: uint64) -> unit: Sleep for the specified number of microseconds.

• sleep_ns(ns: uint64) -> unit: Sleep for the specified number of nanoseconds.

• elapsed(start: Time, end: Time) -> uint64: Calculate the elapsed time between two time values in milliseconds.

• elapsed_us(start: Time, end: Time) -> uint64: Calculate the elapsed time between two time values in microseconds.

• elapsed_ns(start: Time, end: Time) -> uint64: Calculate the elapsed time between two time values in nanoseconds.

• parse(s: str, fmt: str) -> Time: Parse a string into a time value.

• add(t: Time, ms: uint64) -> Time: Add milliseconds to a time value.

std/math

• abs(x: int64) -> int64: Compute the absolute value of a integer number.
• abs_f(x: float64) -> float64: Compute the absolute value of a floating-point number.
• round(x: float64) -> int64: Round a floating-point number to the nearest integer.
• random(min: int64, max: int64) -> int64: Generate a random integer number in the range [min, max].
• pow(x: int64, y: int64) -> int64: Compute x raised to the power of y.
• pow_f(x: float64, y: float64) -> float64: Compute x raised to the power of y.
• min(x: int64, y: int64) -> int64: Compute the minimum of two integer numbers.
• min_f(x: float64, y: float64) -> float64: Compute the minimum of two floating-point numbers.
• max(x: int64, y: int64) -> int64: Compute the maximum of two integer numbers.
• max_f(x: float64, y: float64) -> float64: Compute the maximum of two floating-point numbers.