Learn WHITESPACE with Real Code Examples

Updated Nov 25, 2025

Introduction & Fundamentals Setup & Configuration Architecture & Deep Internals Performance & Security Development Workflow Learning & Career Growth Business & Strategy Examples

Code Sample Descriptions

Hello World in Whitespace

SSSTSTSSSLSSSTSTSSSLSSSTTSSSLSSSTTSSSLSSSTSTSSSLSSSTTSSSL

A 'Hello World' in Whitespace consists only of spaces, tabs, and newlines. Below is a textual representation using S (space), T (tab), and L (linefeed).

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Whitespace Push Number

SSSSSTSSL  // Push 5 onto stack

Pushes a number onto the stack.

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Whitespace Duplicate Top

SSSTL  // Duplicate top of stack

Duplicates the top item of the stack.

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Whitespace Swap Top Two

SSTL  // Swap top two stack elements

Swaps the top two elements of the stack.

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Whitespace Addition

TSSSL  // Add top two numbers

Adds the top two numbers of the stack.

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Whitespace Subtraction

TSSSTL  // Subtract top from second top

Subtracts the top number from the second top number.

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Whitespace Print Character

TSTSSSL  // Print top as char

Prints the top number as ASCII character.

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Whitespace Label and Jump

SSSTLSSS  // Label definition
TTSLSSS  // Jump to label

Defines a label and jumps to it unconditionally.

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Whitespace Conditional Jump

SSSTLSSS  // Label definition
TSTLSSS  // Jump if zero

Jumps to a label if top of stack is zero.

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Whitespace End Program

LTL  // End program

Terminates the Whitespace program.

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Learn WHITESPACE with Real Code Examples

Updated Nov 25, 2025

Introduction & Fundamentals Setup & Configuration Architecture & Deep Internals Performance & Security Development Workflow Learning & Career Growth Business & Strategy Examples

Code Sample Descriptions

Hello World in Whitespace

SSSTSTSSSLSSSTSTSSSLSSSTTSSSLSSSTTSSSLSSSTSTSSSLSSSTTSSSL

A 'Hello World' in Whitespace consists only of spaces, tabs, and newlines. Below is a textual representation using S (space), T (tab), and L (linefeed).

Let’s Try →

Whitespace Push Number

SSSSSTSSL  // Push 5 onto stack

Pushes a number onto the stack.

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Whitespace Duplicate Top

SSSTL  // Duplicate top of stack

Duplicates the top item of the stack.

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Whitespace Swap Top Two

SSTL  // Swap top two stack elements

Swaps the top two elements of the stack.

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Whitespace Addition

TSSSL  // Add top two numbers

Adds the top two numbers of the stack.

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Whitespace Subtraction

TSSSTL  // Subtract top from second top

Subtracts the top number from the second top number.

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Whitespace Print Character

TSTSSSL  // Print top as char

Prints the top number as ASCII character.

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Whitespace Label and Jump

SSSTLSSS  // Label definition
TTSLSSS  // Jump to label

Defines a label and jumps to it unconditionally.

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Whitespace Conditional Jump

SSSTLSSS  // Label definition
TSTLSSS  // Jump if zero

Jumps to a label if top of stack is zero.

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Whitespace End Program

LTL  // End program

Terminates the Whitespace program.

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