Features
A COLA can be used in two ways:
Due to their flexible and extensibility it is possible to make COLAs compatible with many ABIs, which allows integration into existing libraries (for example, those written in C) whilst maintaining the ability to mutate the COLA into another (perhaps custom) language.
A completely COLA-based computer system, whilst capable of implementing the operating system, libraries, applications and other levels of a traditional computer system, allows these distinctions to blur or disappear if the end-user wishes. Every aspect of the computer system, since it is written in a COLA (including the COLA itself), can be overridden, mutated, bypassed, etc. just as the local datastructures and functions in a traditional program can. There is also flexibility in how code is run, since there is a choice of interpreting, static compilation, dynamic compilation, in fact if the COLA is given a suitable backend object then it can even reprogram FPGA's to run arbitrary sections of the system.
Read more about this topic: COLA (software Architecture)
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