Add docstrings for all hdf5 crate features

Author: aldanor

hdf5/Cargo.toml

@@ -15,12 +15,19 @@ edition.workspace = true
 
 [features]
 default = []
-mpio = ["dep:mpi-sys", "hdf5-sys/mpio"]
-lzf = ["dep:lzf-sys", "dep:errno"]
-blosc = ["dep:blosc-sys"]
+# Compile and statically link bundled HDF5 library.
 static = ["hdf5-sys/static"]
+# Enable zlib compression filter.
 zlib = ["hdf5-sys/zlib"]
+# Enable LZF compression filter.
+lzf = ["dep:lzf-sys", "dep:errno"]
+# Enable blosc compression filters.
+blosc = ["dep:blosc-sys"]
+# Enable MPI support.
+mpio = ["dep:mpi-sys", "hdf5-sys/mpio"]
+# Enable complex number type support.
 complex = ["hdf5-types/complex"]
+# Enable float16 type support.
 f16 = ["hdf5-types/f16"]
 
 # The features with version numbers such as 1.10.3, 1.12.0 are metafeatures