Pseudo

Write pseudocode.
Actually run it.

Pseudo is a language that sits between English prose and real code. Flexible syntax via .pmap mappings - any style, any language.

Get Started →Quick Start
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PMAP Mappings

Write in any style - English, Python-like, or your own language. Just define a .pmap file.

🧩
No Rigid Syntax

Indentation is the only strict rule. Everything else is flexible via pattern matching.

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--step Mode

Step through your algorithm line-by-line with full variable state visible at each step.

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DS Built-in

Stack, Queue, HashMap, MinHeap, Graph - all built in with visual auto-print display.

A Quick Look

.pseudo
# Bubble Sort in pseudo
func bubbleSort(arr)
    for i from 0 to len(arr)
        for j from 0 to len(arr) - i - 1
            if arr[j] > arr[j+1]
                swap arr[j] and arr[j+1]
    return arr

result = bubbleSort([5, 3, 8, 1, 9, 2])
print result
Output
[1, 2, 3, 5, 8, 9]

Position on the Spectrum

100% English prose ←-- Pseudo --→ Real programming language
"Sort the array"            ↑            for(int i=0; i<n; i++) {...}
Pseudo leans toward programming language syntax, not prose.

What Pseudo is NOT

  • A language for building software applications
  • A replacement for Python, Java, C++ etc.
  • A language for file I/O, networking, async, or OOP
  • A production language
💡
Target use casesCoding interviews, algorithm verification, teaching algorithms step-by-step, and quickly stating ideas in runnable form.

Next Steps

Installation →

Install via pip and set up your environment.

Quick Start →

Write and run your first .pseudo file.

PMAP System →

Understand the core mapping mechanism.

Examples →

See real algorithms written in pseudo.