temp has exactly one fractional digit.

Temp represents a temperature, stored as an integer 10x the temperature.

TempSum represents a sum of temperatures, stored as an integer 10x the temperature.

fnv64a is a 64-bit FNV-1a hash.

Summary summarizes all temperature recordings for a given key.

SummaryMap is a map from a ShortKey to a Summary linked list.

===== end of main.go ===== ===== scanner.go =====

===== end of string64.go ===== ===== worker.go =====

===== end of hash.go ===== ===== keys_pool.go =====

==================================================mmap from Russ Cox================================================= Lifted from: https://github.com/

===== end of bits.go ===== ===== buffers.go =====

record is a city's record.

==================================================Helpers===================================================

simpleAlloc is a T allocator.

simpleMap is a map from K to *V, using a linear probing open addressing scheme.

simpleMapSlot is a slot in a simpleMap.

===== end of stats.go ===== ===== string64.go =====

worker is a worker goroutine that operates on a slice of the input data.