Online Gleam to COBOL Converter
Click to select or drop your input code file here.
You can also type the input code below.
How to use this tool?
This free online converter lets you convert code from Gleam to COBOL in a click of a button. To use this converter, take the following steps -
- Type or paste your Gleam code in the input box.
- Click the convert button.
- The resulting COBOL code from the conversion will be displayed in the output box.
Key differences between Gleam and COBOL
| Characteristic | Gleam | COBOL |
|---|---|---|
| Syntax | Modern, concise, and inspired by ML-family languages; uses significant whitespace and clear type annotations. | Verbose, English-like syntax designed for business readability; uses rigid column-based formatting. |
| Paradigm | Functional, with strong emphasis on immutability and pattern matching; designed for concurrent and fault-tolerant systems. | Procedural and imperative, focused on sequential data processing and business logic. |
| Typing | Statically and strongly typed with type inference and algebraic data types. | Statically typed but with less expressive type system; types are mostly numeric and alphanumeric. |
| Performance | Runs on the BEAM (Erlang VM), optimized for concurrency and reliability rather than raw speed. | Compiled to native code, often highly optimized for batch processing and transaction throughput on mainframes. |
| Libraries and frameworks | Limited but growing ecosystem; can interoperate with Erlang and Elixir libraries. | Very limited modern libraries; relies on legacy codebases and mainframe utilities. |
| Community and support | Small but active and modern open-source community; good documentation for its size. | Large legacy user base, especially in enterprise and government; support mostly from vendors and legacy specialists. |
| Learning curve | Moderate for those familiar with functional programming; approachable syntax for newcomers. | Steep for modern developers due to outdated syntax and paradigms; easier for those with business background. |
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