Lazy Let: A Cheap Way and Easy Way to Add Lazyness

1. Pipefish

   1 36 168 9.8 Go

   Source code for the Pipefish programming language

   

   Charm does this for declaration of local constants in functions (there are no local variables in functions). So for example if you wanted to write the Collatz function this way (which you wouldn't, it's just a minimal example) then you could do so without worrying about a computational explosion:

2. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

3. wyvern

   2 2 58 3.5 C++

   Automatic conversion of call by value into call by need in the LLVM IR. (by lac-dcc)

   

   We have implemented automatic "lazification" of function arguments at the level of the LLVM IR. We released the code last year.

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