Index - R
| Random | FWGL |
| random | FWGL |
| RandomGen | FWGL |
| randomIO | FWGL |
| randomR | FWGL |
| randomRIO | FWGL |
| randomRs | FWGL |
| randoms | FWGL |
| react | FWGL |
| ReactHandle | FWGL |
| reactimate | FWGL |
| reactInit | FWGL |
| Read | FWGL.Shader.Language |
| readPixels | FWGL.Internal.GL |
| rect | FWGL.Graphics.D2 |
| rectGeometry | FWGL.Graphics.Shapes |
| red | FWGL.Graphics.Color, FWGL.Graphics.D2 |
| Remove | FWGL.Internal.TList |
| RenderBuffer | FWGL.Internal.GL, FWGL.Backend |
| renderbufferStorage | FWGL.Internal.GL |
| repeatedly | FWGL |
| Resize | FWGL.Input, FWGL |
| resize | |
| 1 (Function) | FWGL.Input, FWGL |
| 2 (Function) | FWGL.Graphics.Draw |
| return | FWGL.Shader.Monad, FWGL.Shader |
| returnA | FWGL |
| right | FWGL |
| rMerge | FWGL |
| rot | FWGL.Graphics.D2 |
| rotAAMat4 | FWGL.Vector, FWGL.Graphics.Custom |
| rotMat3 | FWGL.Vector, FWGL.Graphics.Custom, FWGL.Graphics.D2 |
| rotXMat4 | FWGL.Vector, FWGL.Graphics.Custom |
| rotYMat4 | FWGL.Vector, FWGL.Graphics.Custom |
| rotZMat4 | FWGL.Vector, FWGL.Graphics.Custom |
| rpSwitch | FWGL |
| rpSwitchB | FWGL |
| rSwitch | FWGL |
| run | FWGL |
| runKleisli | FWGL |