Icea

Icea is an Esoteric programming language created by User:Buckets in 2024.

Commands	Instructions
═, ║, ╔, ╗, ╚, ╝, ╠, ╣, ╦ and ╩.	Borders for Instructions.
#m	Set The inside border Identification m.
{n}	Activate that certain Border instruction n.

Cat program:

╔═══════════════════╗
║#1 Receive an input║
╠═════════════════╦═╝
║#2 Emit an output║
╚═════════════════╝
{1}{2}

"Hello, World!" Program:

╔═══════════════════════════════════╗
║#1 Receive a string "Hello, World!"║
╠═════════════════╦═════════════════╝
║#2 Emit an output║
╚═════════════════╝ 
{1}{2}

Truth-machine Program:

╔═══════════════════╗
║#1 Receive an input║
╠═══════════════════╩═════════════════╗
║#2 If equals string "1", {3} Else {4}║
╠═════════════════════╦═══════════════╝ 
║#3 Emit an output {3}║
╠═════════════════╦═══╝
║#4 Emit an output║
╚═════════════════╝
{1}{2}

A+B Problem:

╔═══════════════════╗
║#1 Receive an input║
╠═══════════════╦═══╝
║#2 Store as "a"║
╠═══════════════╣
║#3 Store as "b"║
╠═══════════════╩═════╗
║#4 Change "a" by +"b"║
╠═════════════════╦═══╝
║#5 Emit an output║
╚═════════════════╝
{1}{2}{1}{3}{4}{5}